"""
Burutfors.
"""

PAROL = '0077'

# Masala.
# Parol: biita harf va uchta raqamdan iborat.
# Parolni va urunuushlar sonini toping.

BELGILAR = '0123456789abcdefghijklmnopqrstuvwxz'

for i in BELGILAR:
    for o in BELGILAR:
        for p in BELGILAR:
            for b in BELGILAR:
                print(str(i) + str(o) + str(p) + str(b))
                JAVOB = str(i) + str(o) + str(p) + str(b)
                if JAVOB == BELGILAR:
                    break


# if parol == javoblar:
#     print('topildi')
